src/github.ts

import { runCommand, runJsonCommand } from './command.js';

type IssueRow = { number: number; title: string; url: string; state: string };

export async function ensureIssue(input: {
  repo: string;
  title: string;
  body: string;
  labels?: string[];
}) {
  const rows = await runJsonCommand<IssueRow[]>('gh', ['issue', 'list', '--repo', input.repo, '--state', 'all', '--limit', '200', '--json', 'number,title,url,state']);
  const existing = rows.find((row) => row.title.trim().toLowerCase() === input.title.trim().toLowerCase());
  if (existing) {
    await runCommand('gh', ['issue', 'edit', String(existing.number), '--repo', input.repo, '--body', input.body], undefined);
    for (const label of input.labels || []) {
      try {
        await runCommand('gh', ['issue', 'edit', String(existing.number), '--repo', input.repo, '--add-label', label], undefined);
      } catch {
      }
    }
    return { created: false, issue: existing, issueNumber: existing.number, issueUrl: existing.url };
  }
  let created;
  try {
    created = await runCommand('gh', ['issue', 'create', '--repo', input.repo, '--title', input.title, '--body', input.body, ...(input.labels || []).flatMap((label) => ['--label', label])], undefined);
  } catch {
    created = await runCommand('gh', ['issue', 'create', '--repo', input.repo, '--title', input.title, '--body', input.body], undefined);
  }
  const url = created.stdout.trim();
  const issueNumber = Number.parseInt(url.split('/').pop() || '', 10);
  return { created: true, issueUrl: url, issueNumber };
}

export async function commentIssue(repo: string, issueNumber: number, body: string) {
  await runCommand('gh', ['issue', 'comment', String(issueNumber), '--repo', repo, '--body', body], undefined);
  return { ok: true, repo, issueNumber };
}

export async function closeIssue(repo: string, issueNumber: number, comment?: string) {
  const args = ['issue', 'close', String(issueNumber), '--repo', repo];
  if (comment) args.push('--comment', comment);
  await runCommand('gh', args, undefined);
  return { ok: true, repo, issueNumber };
}